OHA Drinking Water Services
OR41
PWS ID: 00452 ---- LAFAYETTE, CITY OF
Water Quality Alerts

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Alert Date Range: From to
Alert Type
 Alert ID Sample Date Alert Date Contact
Report		 Response
Time (Days)		 Location Analyte
 Result
 Current
Alert Level		 Current
MCL		 Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
LCR ARCHIVE 08/16/1991 09/12/1991 B LEAD 0.028 0.015 0.015 MG/L -1970087 Alert Chem LCR0 1991-09-12
IOC ARCHIVE 08/16/1991 09/12/1991 B SODIUM 28.82 20 MG/L -1970074 Alert Chem IOC0 1991-09-12
LCR CHEM1225 03/21/1995 03/21/2005 DIST-A LEAD SUMMARY 0.027 0.015 MG/L Alert Chem LCR0 2005-03-21
LCR CHEM1225 03/21/1995 03/21/2005 DIST-A COPPER SUMMARY 1.95 1.3 MG/L Alert Chem LCR0 2005-03-21
CEC ARCHIVE 08/18/1995 09/20/1995 B MANGANESE 0.43 0.05 MG/L 24560 Alert Chem CEC0 1995-09-20
IOC ARCHIVE 08/18/1995 09/20/1995 B SODIUM 28 20 MG/L 24560 Alert Chem IOC0 1995-09-20
TCR ARCHIVE 08/15/1996 08/26/1996 COLIFORM (TCR) Present Present Routine 227629 Alert TCR0 1996-08-26
TCR ARCHIVE 08/19/1996 08/27/1996 COLIFORM (TCR) Present Present Repeat 227696 Alert TCR0 1996-08-27
TCR ARCHIVE 08/19/1996 08/27/1996 COLIFORM (TCR) Present Present Repeat 227697 Alert TCR0 1996-08-27
TCR ARCHIVE 08/19/1996 08/27/1996 COLIFORM (TCR) Present Present Repeat 227698 Alert TCR0 1996-08-27
TCR ARCHIVE 08/19/1996 08/27/1996 COLIFORM (TCR) Present Present Repeat 227699 Alert TCR0 1996-08-27
VOC ARCHIVE 12/12/1996 01/24/1997 B DICHLOROMETHANE 0.0017 0.005 MG/L 28167 Alert Chem VOC0 1997-01-24
IOC ARCHIVE 12/01/1998 12/22/1998 BA SODIUM 21.6 20 MG/L 335/09 Alert Chem IOC0 1998-12-22
RAD ARCHIVE 10/18/2000 01/02/2001 B GROSS ALPHA, EXCL. RADON & U 6.56 15 pCi 00292/40 Alert Chem RAD0 2001-01-02
TCR ARCHIVE 10/23/2001 11/05/2001 COLIFORM (TCR) Present Present Repeat 319143 Alert TCR0 2001-11-05
TCR ARCHIVE 10/25/2001 11/06/2001 COLIFORM (TCR) Present Present Repeat 319270 Alert TCR0 2001-11-06
TCR COLI1191 06/02/2004 06/08/2004 DIST-A COLIFORM (TCR) Present Present Routine 369294 Alert TCR0 2004-06-08
TCR COLI2203 07/08/2005 07/18/2005 DIST-A COLIFORM (TCR) Present Present Routine 391340 Alert TCR0 2005-07-18
TCR COLI2206 07/12/2005 07/19/2005 DIST-A COLIFORM (TCR) Present Present Repeat 391481 Alert TCR0 2005-07-19
DBP CHEM1794 08/31/2005 12/19/2005 DIST-A TTHM 0.156 0.08 MG/L 05243/16 Alert Chem CMCL DBP0 2005-12-19
LCRE LCRE7014 12/01/2005 02/24/2006 EP-A LCR EXCURSION 6 >0 Alert Chem LCRE0 2006-02-24
LCRE LCRE1840 01/01/2006 02/24/2006 EP-A LCR EXCURSION 20 >0 Alert Chem LCRE0 2006-02-24
DBP CHEM1989 04/26/2006 05/11/2006 DIST-A TTHM 0.0858 0.08 MG/L 06116/28 Alert Chem CMCL DBP0 2006-05-11
LCRE LCRE2374 11/01/2006 02/02/2007 EP-A LCR EXCURSION 3 >0 Alert Chem LCRE0 2007-02-02
LCRE LCRE7616 01/01/2007 03/01/2007 EP-A LCR EXCURSION 1 >0 Alert Chem LCRE0 2007-03-01
LCRE LCRE2235 02/01/2007 03/15/2007 EP-A LCR EXCURSION 1 >0 Alert Chem LCRE0 2007-03-15
TCR COLI4500 09/07/2007 09/10/2007 DIST-A COLIFORM (TCR) Present Present Routine 433197 Alert TCR0 2007-09-10
LCRE LCRE7926 12/01/2007 01/04/2008 EP-A LCR EXCURSION 2 >0 Alert Chem LCRE0 2008-01-04
LCRE LCRE8454 03/01/2008 04/17/2008 EP-A LCR EXCURSION 2 >0 Alert Chem LCRE0 2008-04-17
LCRE LCRE9586 01/01/2009 04/08/2009 EP-A LCR EXCURSION 2 >0 Alert Chem LCRE0 2009-04-08
LCRE LCRE10835 01/01/2010 02/02/2010 02/01/2010 -1 EP-A LCR EXCURSION 3 >0 Alert Chem LCRE0 2010-02-02
LCRE LCRE11278 05/01/2010 06/22/2010 07/16/2010 24 EP-A LCR EXCURSION 1 >0 Alert Chem LCRE0 2010-06-22
DBP CHEM4384 09/15/2010 09/28/2010 09/28/2010 0 DIST-A TTHM 0.1048 0.08 MG/L 1025828-D Alert Chem CMCL DBP0 2010-09-28
LCR CHEM4625 09/29/2010 12/22/2010 DIST-A LEAD SUMMARY 0.021 0.015 MG/L Alert Chem LCR0 2010-12-22
LCRE LCRE12288 02/01/2011 03/02/2011 EP-A LCR EXCURSION 1 >0 Alert Chem LCRE0 2011-03-02
LCRE LCRE14819 12/01/2012 01/08/2013 EP-A LCR EXCURSION 1 >0 Alert Chem LCRE0 2013-01-08
DBP CHEM5889 07/25/2013 08/16/2013 DIST-A TTHM 0.0905 0.08 MG/L WA20000830301-D Alert Chem CMCL DBP0 2013-08-16
DBP CHEM6093 11/25/2013 12/11/2013 DIST-A TTHM 0.0891 0.08 MG/L 1351159-D Alert Chem CMCL DBP0 2013-12-11
DBP CHEM6108 11/25/2013 12/13/2013 DIST-A TTHM 0.0898 0.08 MG/L 1351158-D Alert Chem CMCL DBP0 2013-12-13
DBP CHEM6227 02/26/2014 03/14/2014 DIST-A TTHM 0.1016 0.08 MG/L 1408285-D Alert Chem CMCL DBP0 2014-03-14
LCRE LCRE16495 03/01/2014 04/01/2014 EP-A LCR EXCURSION 5 >0 Alert Chem LCRE0 2014-04-01
LCRE LCRE16621 04/01/2014 05/02/2014 EP-A LCR EXCURSION 1 >0 Alert Chem LCRE0 2014-05-02
DBP CHEM6309 05/21/2014 06/04/2014 DIST-A TTHM 0.0979 0.08 MG/L 1421952-D Alert Chem CMCL DBP0 2014-06-04
DBP CHEM6425 08/13/2014 09/05/2014 DIST-A TTHM 0.0926 0.08 MG/L 1435626-D Alert Chem CMCL DBP0 2014-09-05
LCRE LCRE17664 01/01/2015 02/05/2015 EP-A LCR EXCURSION 3 >0 Alert Chem LCRE0 2015-02-05
DBP CHEM6733 05/07/2015 06/10/2015 07/30/2015 50 DIST-A TTHM 0.0889 0.08 MG/L 1520214-D Alert Chem CMCL DBP0 2015-06-10
DBP CHEM6733 05/07/2015 06/10/2015 07/30/2015 50 DIST-A TTHM 0.0871 0.08 MG/L 1520215-D Alert Chem CMCL DBP0 2015-06-10
DBP CHEM6850 08/06/2015 09/02/2015 09/25/2015 23 DIST-A TTHM 0.0963 0.08 MG/L 1536271-D Alert Chem CMCL DBP0 2015-09-02
DBP CHEM6850 08/06/2015 09/02/2015 09/25/2015 23 DIST-A TTHM 0.0816 0.08 MG/L 1536272-D Alert Chem CMCL DBP0 2015-09-02
TCR COLI14594 08/28/2015 08/31/2015 09/03/2015 3 DIST-A COLIFORM (TCR) Present Present Routine OR10006340711 Alert TCR0 2015-08-31
TCR COLI14974 11/18/2015 11/20/2015 11/20/2015 0 DIST-A COLIFORM (TCR) Present Present Routine 1555907 Alert TCR0 2015-11-20
Notice - Source COLI14985 11/23/2015 11/30/2015 11/30/2015 0 SRC-AE COLIFORM (TCR) Present Present Triggered 1556442 Notice Source 2015-11-30
Notice - Source COLI14985 11/23/2015 11/30/2015 11/30/2015 0 SRC-AF COLIFORM (TCR) Present Present Triggered 1556441 Notice Source 2015-11-30
LCRE LCRE18979 12/01/2015 01/05/2016 01/22/2016 17 EP-A LCR EXCURSION 4 >0 Alert Chem LCRE0 2016-01-05
TCR COLI15053 12/09/2015 12/11/2015 12/11/2015 0 SRC-AF COLIFORM (TCR) Present Present Assessment 1559443 Alert TCR0 2015-12-11
VOC CHEM7529 11/22/2016 03/17/2017 03/17/2017 0 EP-C XYLENES, TOTAL 0.0142 10 MG/L 1670794-V Alert Chem VOC0 2017-03-17
VOC CHEM7529 11/22/2016 03/17/2017 03/17/2017 0 EP-C DICHLOROMETHANE 0.001 0.005 MG/L 1670794-V Alert Chem VOC0 2017-03-17
VOC CHEM7529 11/22/2016 03/17/2017 03/17/2017 0 EP-C TOLUENE 0.0067 1 MG/L 1670794-V Alert Chem VOC0 2017-03-17
VOC CHEM7529 11/22/2016 03/17/2017 03/17/2017 0 EP-C ETHYLBENZENE 0.0023 0.7 MG/L 1670794-V Alert Chem VOC0 2017-03-17
DBP CHEM7453 11/23/2016 12/21/2016 12/23/2016 2 DIST-A TTHM 0.0815 0.08 MG/L 1671190-D Alert Chem CMCL DBP0 2016-12-21
DBP CHEM7453 11/28/2016 12/21/2016 12/23/2016 2 DIST-A TTHM 0.0891 0.08 MG/L 1671267-D Alert Chem CMCL DBP0 2016-12-21
VOC CHEM7550 03/29/2017 04/19/2017 04/20/2017 1 EP-C XYLENES, TOTAL 0.0162 10 MG/L 1716386-V Alert Chem VOC0 2017-04-19
VOC CHEM7550 03/29/2017 04/19/2017 04/20/2017 1 EP-C TOLUENE 0.002 1 MG/L 1716386-V Alert Chem VOC0 2017-04-19
VOC CHEM7550 03/29/2017 04/19/2017 04/20/2017 1 EP-C ETHYLBENZENE 0.002 0.7 MG/L 1716386-V Alert Chem VOC0 2017-04-19
VOC CHEM7839 12/28/2017 01/17/2018 03/28/2018 70 EP-C XYLENES, TOTAL 0.0436 10 MG/L 1782612-V Alert Chem VOC0 2018-01-17
VOC CHEM7839 12/28/2017 01/17/2018 03/28/2018 70 EP-C TOLUENE 0.0005 1 MG/L 1782612-V Alert Chem VOC0 2018-01-17
VOC CHEM7839 12/28/2017 01/17/2018 03/28/2018 70 EP-C ETHYLBENZENE 0.0061 0.7 MG/L 1782612-V Alert Chem VOC0 2018-01-17
DBP CHEM8055 08/08/2018 09/06/2018 DIST-A TTHM 0.0956 0.08 MG/L 1859265-D Alert Chem CMCL DBP0 2018-09-06
DBP CHEM8055 08/08/2018 09/06/2018 DIST-A TTHM 0.089 0.08 MG/L 1859266-D Alert Chem CMCL DBP0 2018-09-06
DBP CHEM8249 02/06/2019 02/25/2019 DIST-A TTHM 0.0828 0.08 MG/L 1909102-D Alert Chem CMCL DBP0 2019-02-25
DBP CHEM8251 02/07/2019 02/27/2019 DIST-A TTHM 0.0887 0.08 MG/L 1909470-D Alert Chem CMCL DBP0 2019-02-27
Notice - Sodium CHEM8743 11/12/2019 12/16/2019 EP-A SODIUM 40.5 20 MG/L 1983536-I Notice Sodium 2019-12-16
Notice - Sodium CHEM8743 11/12/2019 12/16/2019 EP-C SODIUM 21.4 20 MG/L 1983532-I Notice Sodium 2019-12-16
VOC CHEM8751 11/12/2019 12/19/2019 EP-A XYLENES, TOTAL 0.0009 10 MG/L 1983533-V Alert Chem VOC0 2019-12-19
VOC CHEM8813 12/30/2019 01/15/2020 EP-A XYLENES, TOTAL 0.0007 10 MG/L 1995057-V Alert Chem VOC0 2020-01-15
VOC CHEM8932 04/15/2020 04/27/2020 EP-A XYLENES, TOTAL 0.0012 10 MG/L 2024213-V Alert Chem VOC0 2020-04-27
VOC CHEM9008 07/08/2020 07/23/2020 EP-A XYLENES, TOTAL 0.0006 10 MG/L 2042739 Alert Chem VOC0 2020-07-23
VOC CHEM9008 07/08/2020 07/23/2020 EP-A XYLENES, TOTAL 0.0006 10 MG/L 2042739-V Alert Chem VOC0 2020-07-23
VOC CHEM9248 02/03/2021 02/25/2021 EP-A XYLENES, TOTAL 0.0007 10 MG/L 2107599-V Alert Chem VOC0 2021-02-25
VOC CHEM9325 04/27/2021 05/20/2021 EP-A XYLENES, TOTAL 0.0008 10 MG/L 2128650-V Alert Chem VOC0 2021-05-20
DBP CHEM9413 08/04/2021 08/12/2021 DIST-A TTHM 0.0852 0.08 MG/L 2156003-D Alert Chem CMCL DBP0 2021-08-12
VOC CHEM9555 11/03/2021 11/29/2021 EP-A XYLENES, TOTAL 0.0008 10 MG/L 2180785-V Alert Chem VOC0 2021-11-29
DBP CHEM9670 02/02/2022 03/04/2022 DIST-A TTHM 0.0906 0.08 MG/L 2207497-D Alert Chem CMCL DBP0 2022-03-04
Notice - Source COLI22095 05/04/2022 05/06/2022 SRC-AI COLIFORM (TCR) Present Present Assessment 2228856 Notice Source 2022-05-06


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